This Recommendation includes 1 DVD containing the conformance bitstreams. Due to the data volume, this Recommendation is not downloadable from ITU website and should be provided from Sales department (Email: sales@itu.int). Only H.264.1 text is downloadable free of charge for information purpose. This edition includes the modifications introduced by Corrigendum 1 (09/2005). This Recommendation is aligned with a subset of ISO/IEC 14496-4.